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CVE-2025-27740highCWE-1390

Active Directory Certificate Services Elevation of Privilege Vulnerability

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 3.4%
exploitation probability
3.4%top 12% of all CVEs
observed exploitation
nono source reports it
In short

A weakness in Windows Active Directory Certificate Services allows someone with basic access to gain higher privileges on the network. This is dangerous because it lets attackers move from limited accounts to powerful ones.

Technical detail

CWE-1390 weak authentication flaw in AD Certificate Services permits privilege escalation via network-based attack requiring prior authorization. Exploitation enables authenticated attackers to obtain elevated privileges within the domain, affecting confidentiality, integrity, and availability of directory services.

Summary generated and translated by AI from the official description.
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C